GNU bug report logs - #64344
[PATCH] Make calculator work with customized mode-line

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From: Andreas Schwab <schwab <at> suse.de>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: john muhl <jm <at> pub.pink>, 64344 <at> debbugs.gnu.org
Subject: bug#64344: [PATCH] Make calculator work with customized mode-line
Date: Thu, 29 Jun 2023 10:22:02 +0200

On Jun 29 2023, Eli Zaretskii wrote:

>> diff --git a/lisp/calculator.el b/lisp/calculator.el
>> index bf2ac9b6215..6af6464d2f4 100644
>> --- a/lisp/calculator.el
>> +++ b/lisp/calculator.el
>> @@ -746,7 +746,7 @@ calculator-need-3-lines
>>               ;; use 3 lines
>>               (let* ((bx (face-attribute 'mode-line :box))
>>                      (lh (plist-get bx :line-width)))
>> -               (and bx (or (not lh) (> lh 0))))
>> +               (and bx (or (not lh) (> (if (listp lh) (cdr lh) lh) 0))))
>                                                ^^^^^
> Shouldn't that be 'consp' instead?  'listp' returns non-nil for nil
> argument.

lh cannot be nil here, but it wouldn't make a difference anyway, since
(cdr nil) returns nil.

-- 
Andreas Schwab, SUSE Labs, schwab <at> suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
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